Is R-Z (Real numbers - integers) an open topology?

The winter temperature rises 25° at noon. Then drops 17° at sunset to a low of - 4. What was the temperature before noon?

In a certain room, there are 28 women and 21 men. What is the ratio of men to women? What is the ratio of women to the total number of people?

How do I write 500% as a fraction and a decimal

Find the area of the circle that has a radius of 19 centimeters

Two hikers are 33 miles apart and walking toward each other. They meet in 5 hours. Find the rate of each hiker if one hiker walks 4.4 mph faster than the other.

It cost $859.32 to have a school dance Each ticket is $8 each a. How many tickets must be sold to cover the cost? b. How many tickets must be sold to make a $980.68 profit

Unit rate of 140 per 4

Morgan found a stone arrowhead. He measured it three times. He measured it as 2 inches to the nearest inch, to the nearest 1/2 inch, and to the nearest 1/4 inch. How can this be? Explain

1. two thirds of the track team ran las after practice. One fourth of the team worked out in the weight room. What fraction more of the team ran laps than worked out in the weight room. 2. Eustence used 1/2 of his allowance to buy CDs.

jessica put 4 tables together for the Pie day sale. Each table is 42 inches long. What is the total length of the tables expressed in feet and inches